513995446 has 4 divisors (see below), whose sum is σ = 770993172. Its totient is φ = 256997722.

The previous prime is 513995423. The next prime is 513995479. The reversal of 513995446 is 644599315.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 513995396 and 513995405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128498860 + ... + 128498863.

It is an arithmetic number, because the mean of its divisors is an integer number (192748293).

Almost surely, 2^513995446 is an apocalyptic number.

513995446 is a deficient number, since it is larger than the sum of its proper divisors (256997726).

513995446 is a wasteful number, since it uses less digits than its factorization.

513995446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256997725.

The product of its digits is 583200, while the sum is 46.

The square root of 513995446 is about 22671.4676631223. The cubic root of 513995446 is about 801.0379475404.

The spelling of 513995446 in words is "five hundred thirteen million, nine hundred ninety-five thousand, four hundred forty-six".